The plastic block is subjected to an axial compressive force of F = 800 N. The...

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The plastic block is subjected to an axial compressive force of F = 800 N. The caps at the top and bottom distribute the load uniformly throughout the block. (Figure 1) F 150 mm 130 50 mm 50 mm 50 mm F Determine the average normal stress acting along section a-a. Determine the average shear stress acting along section a-a. The plastic block is subjected to an axial compressive force of F = 800 N. The caps at the top and bottom distribute the load uniformly throughout the block. (Figure 1) F 150 mm 130 50 mm 50 mm 50 mm F Determine the average normal stress acting along section a-a. Determine the average shear stress acting along section a-a.